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[Threading] Create new threading library and use it.

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Moved all the threading code to one place.  Added explicit support for
Darwin, Linux, Pthreads, C11 threads and Win32 threads, including new
implementations of Once for Linux, Pthreads, C11 and Win32.

rdar://90776105
This commit is contained in:
Alastair Houghton
2022-04-15 13:50:33 +01:00
parent 66b9d21000
commit f5bdb858e0
98 changed files with 2286 additions and 1410 deletions
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16
include/swift/Runtime/Config.h
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@@ -232,22 +232,6 @@ extern uintptr_t __COMPATIBILITY_LIBRARIES_CANNOT_CHECK_THE_IS_SWIFT_BIT_DIRECTL
// so changing this value is not sufficient.
#define SWIFT_DEFAULT_LLVM_CC llvm::CallingConv::C
// SWIFT_FORMAT(fmt,first) marks a function as taking a format string argument
// at argument `fmt`, with the first argument for the format string as `first`.
#if __has_attribute(format)
#define SWIFT_FORMAT(fmt,first) __attribute__((format(printf, fmt, first)))
#else
#define SWIFT_FORMAT(fmt,first)
#endif
// SWIFT_VFORMAT(fmt) marks a function as taking a format string argument at
// argument `fmt`, with the arguments in a `va_list`.
#if __has_attribute(format)
#define SWIFT_VFORMAT(fmt) __attribute__((format(printf, fmt, 0)))
#else
#define SWIFT_VFORMAT(fmt)
#endif
/// Should we use absolute function pointers instead of relative ones?
/// WebAssembly target uses it by default.
#ifndef SWIFT_COMPACT_ABSOLUTE_FUNCTION_POINTER